Copper Nickel 70/30 Round Bars Manufacturers in Mumbai

Author : omkar metal | Published On : 04 Sep 2026

Introduction

Copper Nickel 70/30 Round Bars are high-performance copper-nickel alloy products containing approximately 70% copper and 30% nickel. They are widely recognized for their excellent resistance to seawater corrosion, erosion, and biofouling, making them ideal for demanding marine and industrial environments. These round bars combine good mechanical strength, durability, thermal conductivity, and resistance to harsh operating conditions. They are commonly used in shipbuilding, offshore engineering, desalination plants, heat exchangers, condensers, seawater piping, and power generation equipment.

 Copper Nickel 70/30 Round Bars/Rods, offering an extensive array of these essential components to clients worldwide. Our commitment to excellence is underscored by the diverse specifications available for our bars and rods, including surface finish, end finish, dimensions, shapes, sizes, and length.

Product Overview

Copper Nickel 70/30 Round Bars are manufactured to provide dependable performance in applications exposed to seawater and corrosive fluids. The higher nickel content compared with 90/10 copper-nickel alloys provides enhanced strength and corrosion resistance, particularly in challenging marine conditions.

These round bars offer good resistance to erosion-corrosion and maintain their performance under high-velocity seawater flow. They can be supplied in different diameters, lengths, finishes, and conditions according to project requirements. Copper Nickel 70/30 Round Bars also offer good weldability and fabrication characteristics, allowing them to be used for various engineered components.

Specifications
Material: Copper Nickel 70/30
Alloy: Cu-Ni 70/30
UNS: C71500
Product Form: Round Bars
Copper: Approximately 70%
Nickel: Approximately 30%
Condition: Annealed / As Required
Surface Finish: Smooth, Bright, Polished, or As Manufactured
Diameter: Available in various sizes
Length: Standard and Custom Lengths
Standards: ASTM B151 / B151M and applicable ASME requirements
Manufacturing: Hot Rolled, Cold Drawn, or Machined as required
Benefits

Copper Nickel 70/30 Round Bars provide excellent resistance to seawater corrosion and are suitable for long-term service in marine environments. Their strong resistance to erosion-corrosion makes them particularly useful in seawater systems where fluid flow can be aggressive.

The alloy offers good mechanical strength and durability, helping components withstand demanding operating conditions. Its resistance to biofouling can also support reliable performance in marine applications. In addition, Copper Nickel 70/30 Round Bars provide good weldability and fabrication properties, making them practical for manufacturing and maintenance operations.

Their combination of corrosion resistance, strength, and service reliability makes these round bars a valuable material for marine, offshore, desalination, chemical processing, and power generation applications.

Conclusion

Copper Nickel 70/30 Round Bars are reliable engineering materials designed for applications requiring excellent seawater corrosion resistance, mechanical strength, and long-term durability. Their performance in harsh marine environments makes them suitable for shipbuilding, offshore platforms, heat exchangers, condensers, desalination plants, and seawater piping systems. Manufactured according to recognized industry standards and supplied in the required dimensions and finishes, these round bars provide dependable performance for demanding industrial applications.

Contact Details

Email: [email protected]
Contact Number: +91-7878558762